Stocks Slip, Led by Energy, Materials

on earnings news. Among Dow components, DuPont loading...�� �� �� [DD�� Loading...�� �� �� () �� ], Alcoa loading...�� �� �� [AA�� Loading...�� �� �� () �� ], and Home Depot loading...�� �� �� [HD�� Loading...�� �� �� () �� ] fell, while Bank of America...